{"product_id":"sanderson-sanderson-big-block-gm-block-hugger-header","title":"Sanderson Chevy Big Block Hugger Headers - Raw Steel","description":"\u003cp\u003eThe Sanderson BBC Header is engineered for tight chassis applications running a Big Block Chevrolet 396–454 or 502 engine. Designed as one of the tightest fitting block hugger headers available, the BB1 sits 2″ tighter to the block than traditional designs and hangs down less than 11″ from the exhaust port centerline, dramatically improving ground clearance in hot rods, swaps, and custom builds.\u003c\/p\u003e\n\u003cp\u003eBuilt from 16-gauge tubing with a 3\/8″ thick patented flange, these headers seal without traditional gaskets which reduces leaks and simplifying installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptional upgrade:\u003c\/strong\u003e Professionally TIG welded V-Bands available for increased durability and ease of installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeader Bolt Set\u003c\/li\u003e\n\u003cli\u003eCollector Reducer Set\u003c\/li\u003e\n\u003cli\u003eAll Required Installation Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Fitment: Big Block Chevy 396–454, 502\u003c\/li\u003e\n\u003cli\u003ePrimary Tube Diameter: 1-7\/8″\u003c\/li\u003e\n\u003cli\u003eCollector Diameter: 3″\u003c\/li\u003e\n\u003cli\u003ePrimary \u0026amp; Collector Thickness: 16-Gauge\u003c\/li\u003e\n\u003cli\u003eFlange Thickness: 3\/8″\u003c\/li\u003e\n\u003cli\u003eMaterial: Unfinished Raw Steel\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eFits most applications running:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBig Block Chevrolet 396\u003c\/li\u003e\n\u003cli\u003eBig Block Chevrolet 402\u003c\/li\u003e\n\u003cli\u003eBig Block Chevrolet 427\u003c\/li\u003e\n\u003cli\u003eBig Block Chevrolet 454\u003c\/li\u003e\n\u003cli\u003eBig Block Chevrolet 502\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned for early Chevy and Ford chassis swaps where tight steering, frame rail, and ground clearance are critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Designed for frames without a crossmember beneath the center of the engine block.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eTech Insight\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eIf you’re building a tight street rod, swap project, or custom chassis where steering shafts, frame rails, or ground clearance are an issue, the BB1 solves those problems without sacrificing performance.\u003c\/p\u003e\n\u003cp\u003eThe block-hugging design improves clearance around steering and suspension components.\u003c\/p\u003e\n\u003cp\u003eThe patented flange design eliminates the need for gaskets, reducing failure points.\u003c\/p\u003e\n\u003cp\u003eThe 1-7\/8″ primaries and 3″ collector provide excellent flow for strong torque and horsepower from mild 396 builds to aggressive 502 combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Sanderson","offers":[{"title":"Default Title","offer_id":56217072468134,"sku":"BB1-P","price":484.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/8394\/6406\/files\/4_6ad103f1-eb73-470c-870d-6464fe3fa709.jpg?v=1778095869","url":"https:\/\/wideopendesign.com\/products\/sanderson-sanderson-big-block-gm-block-hugger-header","provider":"Wide Open Design","version":"1.0","type":"link"}